Super Smash Bros. Ultimate is kicking off a limited-time Spirit Board event starting December 13 at 10:00pm PT (Dec 14 at 1:00am ET) that increases the appearance rates of Spirits with glasses and some extra gold.

Here are more details on the event from the game:

Spirits who wear glasses and sunglasses are marching toward the Spirit Board!

Defeat them to earn extra gold!

There’s an influx of characters with glasses and sunglasses on the Spirit Board! Defeat them to earn extra gold!

Legend-class spirits James McCloud and Jeff, and Ace-class spirits Brittany and Brewster will each appear for a fixed time.

Don’t miss these spectacular spirits!

The event will run three days from December 13 at 10:00pm PT to December 16 at 10:00pm PT.

The following Spirits will appear periodically during the event (in PT):

Brittany (1:00am/1:00pm every day)

Brewster (7:00am/7:00pm every day)

Jeff (4:00am/4:00pm every day)

James McCloud (10:00am/10:00pm every day)

And the following “Spectacled Spirits” will appear at random with increased appearance rates:

9-Volt & 18-Volt

Annie

Baxter & Forthington

Bisk

Brewster

Brittany

Cereza

Coraline

Count Cannoli

Crusty Sean

Dr. Lobe

Elite Beat Agents

Fawful

Gracie

James McCloud

Jeff

Kazuhira Miller

Lloyd

Lyle

Madame Couture

Moley

Muddy Mole

Nick

Nikki

Orbulon

Professor Chops

Sick Beats Doctor

Strangelove

Sumo Brothers

Tatsu

Teddy

Toadies

Toadsworth

Wrinkly Kong

Super Smash Bros. Ultimate is available on the Nintendo Switch. An update is expected to arrive within the next week, and you can read more about that here.